Base | Representation |
---|---|
bin | 101110010101… |
… | …001011000111 |
3 | 211212001021211 |
4 | 232111023013 |
5 | 11102122401 |
6 | 1112152251 |
7 | 205143121 |
oct | 56251307 |
9 | 24761254 |
10 | 12145351 |
11 | 6945a89 |
12 | 4098687 |
13 | 26931ca |
14 | 1882211 |
15 | 10ed951 |
hex | b952c7 |
12145351 has 8 divisors (see below), whose sum is σ = 12913200. Its totient is φ = 11390400.
The previous prime is 12145349. The next prime is 12145373. The reversal of 12145351 is 15354121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12145351 - 21 = 12145349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12145151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246 + ... + 5083.
It is an arithmetic number, because the mean of its divisors is an integer number (1614150).
Almost surely, 212145351 is an apocalyptic number.
12145351 is a deficient number, since it is larger than the sum of its proper divisors (767849).
12145351 is a wasteful number, since it uses less digits than its factorization.
12145351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6449.
The product of its digits is 600, while the sum is 22.
The square root of 12145351 is about 3485.0180774280. The cubic root of 12145351 is about 229.8635043927.
Adding to 12145351 its reverse (15354121), we get a palindrome (27499472).
The spelling of 12145351 in words is "twelve million, one hundred forty-five thousand, three hundred fifty-one".
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